From: Detection of human herpesviruses in the cerebrospinal fluid from patients diagnosed with or suspected of having progressive multifocal leukoencephalopathy
No. (%) of patients
Total
JCV-positive
Underlying disease
( n = 255)
( n = 31)
HIV infection
52
10
(19.2)
Hematologic disease
51
13
(25.5)
Autoimmune disease
33
3
(9.1)
Other disease
46
5
(10.9)
Unknown
73
0
(0)